Exploding Weed Seeds (28,546 fps Slow Motion)- Smarter Every Day 257
A video on YouTube. In Science & Engineering, a Krater category.
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An exploration of the explosive seed dispersal mechanism of the hairy bittercress plant (Cardamine hirsuta), filmed with high-speed macro photography up to 20,000 frames per second.
From the video
Answers: How do hairy bittercress seeds explode?
- explosive seed dispersal
- Cardamine hirsuta
- high-speed macro photography
- morphomechanical innovation
What it concludes
- Seeds located closer to the base of the pod launch at faster speeds.
- The direction that each seed goes is a function of the stickiness of the seed to the pod curl.
- The spatial distribution of seeds is a function of stickiness and curl speed, creating a randomized seed dispersal pattern.
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